YARA · Malpedia signator rules
MALPEDIA_Win_Cobalt_Strike_Auto
autogenerated rule brought to you by yara-signator
- Autor
- Felix Bilstein - yara-signator at cocacoding dot com
- Fecha
- 2026-05-04
- Modificada
- 2026-05-18
- Puntuación / Calidad
- 75 / 73
Qué detecta esta regla
autogenerated rule brought to you by yara-signator
Familia de malware asociada: Cobalt Strike.
Define 32 patrones (0 de texto, 32 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Cobalt_Strike_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "0368001f-2097-5ad0-a8cc-9f3157226350"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cobalt_strike_auto.yar#L1-L294"
= "N/A"
= "31216c950a7137c94bf3f4288b8613a4e99b697ec3135af46a44daf232429edc"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { e9???????? eb0a b801000000 e9???????? }
$sequence_1 = { 3bc7 750d ff15???????? 3d33270000 }
$sequence_2 = { e8???????? 83c40c eb13 6a02 56 6a01 6820bf0200 }
$sequence_3 = { ff15???????? 85c0 741d ff15???????? 85c0 7513 }
$sequence_4 = { eb25 53 8d45fc 50 53 }
$sequence_5 = { eb09 8b45f8 83c001 8945f8 8b4514 }
$sequence_6 = { ff15???????? 59 85c0 7510 83c604 }
$sequence_7 = { ff5510 83c40c ebd6 55 }
$sequence_8 = { ff5510 57 e8???????? 83c434 8b750c }
$sequence_9 = { 85c0 7405 e8???????? 8b0d???????? 85c9 }
$sequence_10 = { e9???????? 833d????????01 7505 e8???????? }
$sequence_11 = { 8bd0 e8???????? 85c0 7e0e }
$sequence_12 = { 7cec 488b4d1f 8bd3 3b1e 7d13 }
$sequence_13 = { 498b4610 8bcb 41b801000000 2bf3 }
$sequence_14 = { eb0b 8b4328 c644182c00 ff4328 837b2838 72ef 8a4307 }
$sequence_15 = { eb0b b810000000 eb09 418d4102 418900 33c0 4883c420 }
$sequence_16 = { 2500800000 7409 c745f040000000 eb07 c745f004000000 }
$sequence_17 = { 50 6a20 8b4d10 51 8b550c 52 8b4508 }
$sequence_18 = { 837d0c00 7422 837d1000 761c 837d1404 }
$sequence_19 = { 8b5514 52 8b450c 8b4850 }
$sequence_20 = { 52 8b4508 8b08 ffd1 85c0 }
$sequence_21 = { 32c0 b940000000 f3aa 5f 5e 8be5 }
$sequence_22 = { 8b4510 8b4850 8b550c 8d440ac0 }
$sequence_23 = { 56 57 8b4510 8b4850 }
$sequence_24 = { 488b542408 0fb70402 03c1 b9ff0f0000 488b1424 0fb712 }
$sequence_25 = { 486bc005 488b4c2448 488d840188000000 4889442418 488b442418 83780400 }
$sequence_26 = { 488bc1 4889442408 488b442408 c70000000000 }
$sequence_27 = { 4889442428 488b442418 48ffc8 4889442418 48837c242800 0f8496010000 488b0424 }
$sequence_28 = { 4889542410 48894c2408 4883ec38 488b442448 488b4030 }
$sequence_29 = { 488bc1 4889442428 488b442428 813850450000 7502 }
$sequence_30 = { 3d00000020 7518 488b442468 488b4c2410 488908 }
$sequence_31 = { c644242f32 c644243000 c64424384c c64424396f c644243a61 }
condition:
7 of them and filesize < 1015808
}
Cadenas (32 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { e9???????? eb0a b801000000 e9???????? } | |
| $sequence_1 | hex | { 3bc7 750d ff15???????? 3d33270000 } | |
| $sequence_2 | hex | { e8???????? 83c40c eb13 6a02 56 6a01 6820bf0200 } | |
| $sequence_3 | hex | { ff15???????? 85c0 741d ff15???????? 85c0 7513 } | |
| $sequence_4 | hex | { eb25 53 8d45fc 50 53 } | |
| $sequence_5 | hex | { eb09 8b45f8 83c001 8945f8 8b4514 } | |
| $sequence_6 | hex | { ff15???????? 59 85c0 7510 83c604 } | |
| $sequence_7 | hex | { ff5510 83c40c ebd6 55 } | |
| $sequence_8 | hex | { ff5510 57 e8???????? 83c434 8b750c } | |
| $sequence_9 | hex | { 85c0 7405 e8???????? 8b0d???????? 85c9 } | |
| $sequence_10 | hex | { e9???????? 833d????????01 7505 e8???????? } | |
| $sequence_11 | hex | { 8bd0 e8???????? 85c0 7e0e } | |
| $sequence_12 | hex | { 7cec 488b4d1f 8bd3 3b1e 7d13 } | |
| $sequence_13 | hex | { 498b4610 8bcb 41b801000000 2bf3 } | |
| $sequence_14 | hex | { eb0b 8b4328 c644182c00 ff4328 837b2838 72ef 8a4307 } | |
| $sequence_15 | hex | { eb0b b810000000 eb09 418d4102 418900 33c0 4883c420 } | |
| $sequence_16 | hex | { 2500800000 7409 c745f040000000 eb07 c745f004000000 } | |
| $sequence_17 | hex | { 50 6a20 8b4d10 51 8b550c 52 8b4508 } | |
| $sequence_18 | hex | { 837d0c00 7422 837d1000 761c 837d1404 } | |
| $sequence_19 | hex | { 8b5514 52 8b450c 8b4850 } | |
| $sequence_20 | hex | { 52 8b4508 8b08 ffd1 85c0 } | |
| $sequence_21 | hex | { 32c0 b940000000 f3aa 5f 5e 8be5 } | |
| $sequence_22 | hex | { 8b4510 8b4850 8b550c 8d440ac0 } | |
| $sequence_23 | hex | { 56 57 8b4510 8b4850 } | |
| $sequence_24 | hex | { 488b542408 0fb70402 03c1 b9ff0f0000 488b1424 0fb712 } | |
| $sequence_25 | hex | { 486bc005 488b4c2448 488d840188000000 4889442418 488b442418 83780400 } | |
| $sequence_26 | hex | { 488bc1 4889442408 488b442408 c70000000000 } | |
| $sequence_27 | hex | { 4889442428 488b442418 48ffc8 4889442418 48837c242800 0f8496010000 488b0424 } | |
| $sequence_28 | hex | { 4889542410 48894c2408 4883ec38 488b442448 488b4030 } | |
| $sequence_29 | hex | { 488bc1 4889442428 488b442428 813850450000 7502 } | |
| $sequence_30 | hex | { 3d00000020 7518 488b442468 488b4c2410 488908 } | |
| $sequence_31 | hex | { c644242f32 c644243000 c64424384c c64424396f c644243a61 } |
Condición
7 of them and filesize < 1015808En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 1015808 (un límite barato que descarta archivos grandes).
- Deben coincidir al menos 7 patrones de la regla.
Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
Licencia y atribución
Autor: Felix Bilstein - yara-signator at cocacoding dot com
Repositorio de origen: Malpedia signator rules @ c901f97b7d
Licencia: Creative Commons Attribution-ShareAlike 4.0 (licencia del repositorio)
Obtenida a través de YARA Forge 20260927, que añade a los nombres el prefijo de la fuente y campos meta normalizados.
Id de la regla: 0368001f-2097-5ad0-a8cc-9f3157226350
Metadatos
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Etiquetas:FILE
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